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aaronwilliams3

Hyundai i10 preheating lamp and check engine light

Hi, I've got a 2013 Hyundai i10 diesel that's showing some strange symptoms. The preheating lamp won't switch off, the check engine light is on, and I'm getting a puff of smoke when I accelerate. I ran a diagnostic and it points to a defective glow control unit. I've checked the connections, and they seem okay but I suspect a cable or plug connection is defective. Anyone else experienced something similar?

Summary of the thread

A 2013 Hyundai i10 diesel is experiencing issues with the preheating lamp not switching off, the check engine light being on, and a puff of smoke during acceleration. A diagnostic test indicates a defective glow control unit, and while connections seem fine, a cable or plug connection might be faulty. A similar case was resolved by a professional mechanic, who identified and fixed a faulty cable for the glow control unit, restoring the vehicle's performance.

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4 comment(s)

william_light28

That sounds familiar. I've got a Hyundai i10 too, although I can't remember what year it is, and I had a similar issue a while back. Check Engine light, yes indeed! Was the engine misfiring, or did you notice any stalling?

aaronwilliams3 (community.author)

Thanks for the quick reply! No misfiring or stalling, thankfully, just the warning lights and the smoke. Did your issue also point to the glow control unit?

william_light28

Yes, it did. After a bit of head-scratching, I ended up taking it to a workshop. They sorted it out pretty quickly. Might be worth getting it checked professionally, especially if you're not seeing any obvious problems with the wiring.

aaronwilliams3 (community.author)

Thanks, I appreciate the advice. I'll book it in with a mechanic. So I brought it to the shop. Turns out the cable for the glow control unit was faulty. 95€ later and it's running smoothly again!

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HYUNDAI

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I10